wideband and Autotune | AEM
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odd boy
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Joined: 12/13/2014 - 03:30
wideband and Autotune

Hi,

Please guide me with the connection of AEM wideband to P&P AEM S2. In addition, how  I can turn on the Autotune for the AFR?

Thanks,

AEM_PT
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Last seen: 5 months 3 weeks ago
Joined: 05/22/2014 - 08:13
Depending on which Series 2

Depending on which Series 2 Unit you have, there are two O2 inputs. From one of our widebands, you will attach the 0-5 Analog Output wire to one of these inputs (white wire).

Once this is done, connect to your AEM EMS with AEM Tuner and proceed to the wizards where you can select the corresponding unit in a selectable chart that already has our gauges pre-programmed for sensor specs and voltage offsets.

As for the AutoTune (QuickTune) feature, you will have to set up a few things and make note of a few key strokes when using this feature. By default, it is set-up to (Shift+F12) which is the toggle to turn QuickTune ON/OFF. Before it can work as intended, you will need to make sure that your percentage changes in AEM Tuner are set to "Default" and not "AEM Pro Style" as well as setting your Fuel Map to "Follow ECU." This is in no way intended to replace the use of an Actual Tuner. Please use at your own risk.

megomaniac
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Joined: 11/09/2014 - 21:15
I have tried the auto tune in

I have tried the auto tune in conjuction with a hotkey program. It seems to work and get close to O2 target, but 

when you look at your fuel map after a short drive it looks like a mountian range. All rough with large peaks and valleys.

If you could configure how the quick tune function apply's changes to the map, I think it would be more useful. It seems to not only change the cell

that is currently selected but also the cells around it. Causing un wanted changes in adjacent load points. 

Coming from a little experience tuning with hondata, I was expecting a display overlaying recorded O2 values, or recommended percentage change to hit target O2 on to the fuel map. I would record, and make small changes manually, worked fairly well. 

Hook up your wideband and get O2 feedback working. Then make changes manually.

 

 

 

GIZZ
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Joined: 12/24/2017 - 13:59
AEM_PT wrote:

AEM_PT wrote:

you will need to make sure that your percentage changes in AEM Tuner are set to "Default" and not "AEM Pro Style" 

Where can I find this?

AEM_NS
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Last seen: 6 hours 52 min ago
Joined: 06/06/2014 - 09:31
Tools>Preferences>Application

Tools>Preferences>Application>Registry Settings>Click to Reset. Then go to a map, highlight a cell, hit the 'e' key for percentage change, type in 1 and hit enter and it'll ask you what percentage change format you want.

GIZZ
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Joined: 12/24/2017 - 13:59
AEM_NS wrote:

AEM_NS wrote:

hit the 'e' key for percentage change, type in 1 and hit enter 

thanks for this, is the 1 the amount the map changes? 1=.1 on the fuel map? What if the tune is way off, can/should i enter a larger value?

and last question for now, do you want o2 feedback on or off while doing this?

thanks in advance.

AEM_NS
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Last seen: 6 hours 52 min ago
Joined: 06/06/2014 - 09:31
You asked how to configure

You asked how to configure the percentage change setting and that's exactly what I explained how to do. All you're doing is setting the percentage type, not actually tuning the fuel map. Once you configure the setting, tune away.

The Quicktune feature takes whatever the current O2 FB value is and applies it to the current active cell in the fuel map.  So yes, O2 FB must be active otherwise what change would it apply?